... Outer diameter:38.1,42.3,48.3,48.6,60.3mm Thickness:1.8-4.0mm Standard:BS Product: steel tube ... Outer diameter:38.1,42.3,48.3,48.6,60.3mmThickness:1.8-4.0mmStandard:BS1139-1775,EN10219,JISG3444:2004Steel ... , engravedSpecification: Outer Diameter(mm) Wall Thickness (mm) Length(m) 48.3mm-48.6mm 1.8mm-2.5mm 0.3m-12m 48 ... 38.1mm 4.0mm 0.3m-12m 42.3mm 4.0mm 0.3m-12m 60.3mm 2.0mm-4.0mm 0.3m-12m ...